| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.alibaba.jstorm.ui.controller; |
| |
| import com.alibaba.jstorm.ui.model.ClusterEntity; |
| import com.alibaba.jstorm.ui.utils.UIUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.stereotype.Controller; |
| import org.springframework.ui.ModelMap; |
| import org.springframework.web.bind.annotation.RequestMapping; |
| import org.springframework.web.bind.annotation.RequestMethod; |
| |
| import java.util.Collection; |
| |
| /** |
| * @author Jark (wuchong.wc@alibaba-inc.com) |
| */ |
| @Controller |
| public class ClustersController { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(ClustersController.class); |
| |
| @RequestMapping(value = "/", method = RequestMethod.GET) |
| public String show(ModelMap model) { |
| UIUtils.readUiConfig(); |
| long start = System.currentTimeMillis(); |
| LOG.info("nimbus config: " + UIUtils.clusterConfig); |
| Collection<ClusterEntity> clusterEntities = UIUtils.clustersCache.values(); |
| model.addAttribute("clusters", clusterEntities); |
| model.addAttribute("nodes", getNodeCount(clusterEntities)); |
| UIUtils.addTitleAttribute(model, null); |
| LOG.info("clusters page show cost:{}ms", System.currentTimeMillis() - start); |
| return "clusters"; |
| } |
| |
| private int getNodeCount(Collection<ClusterEntity> clusterEntities){ |
| int count = 0; |
| for (ClusterEntity c : clusterEntities){ |
| count += c.getSupervisor_num(); |
| } |
| return count; |
| } |
| |
| } |